A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 6220-01-178-0171
NSN 6145-01-324-0946
NSN 5935-01-146-6716
NSN 5996-01-164-8266
NSN 6620-01-032-3937
NSN 6320-00-405-2348
NSN 5935-00-203-5852
NSN 6145-01-633-0294
NSN 6135-01-168-2944
NSN 5920-01-055-2024
NSN 5915-01-198-0541
NSN 5996-00-613-1761